Fix null write error with node 14 for Autorest V2 (Azure#3985)

Feature: Make OpenAPI3 Validation error show as error and fail the pi…

…peline (Azure#3802)

Fix exported types for autorest and @autorest/core (Azure#3788)

Fix exported types for autorest and @autorest/core (Azure#3788)

Enable use of azure openapi api validator with --v3 (Azure#3789)

Uptake fixes in oai2 converter and deduplication (Azure#3785)

Merge pull request Azure#3784 from dolauli/dolauli-ps-upgrade

Fixed Azure#3615, bump default powershell extension to 3.0+

Merge pull request Azure#3784 from dolauli/dolauli-ps-upgrade

Fixed Azure#3615, bump default powershell extension to 3.0+

[Test Server V2] Add support for body deep equal matching (Azure#3779)

[Test Server V2] Add support for body deep equal matching (Azure#3779)